Wonnacott, T. H., & Wonnacott, R. J. (1972). Introductory statistics for business and economics. John Wiley & Sons.
Cita Chicago (17th ed.)Wonnacott, Thomas H., i Ronald J. Wonnacott. Introductory Statistics for Business and Economics. New York: John Wiley & Sons, 1972.
Cita MLA (9th ed.)Wonnacott, Thomas H., i Ronald J. Wonnacott. Introductory Statistics for Business and Economics. John Wiley & Sons, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.